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April 2015

THE CITY OF BARRIE LANDFILL BARRIE, ONTARIO

Air Quality Sampling Summary Report

Report Number: 08-1170-0519 Distribution:

Electronic copy - City of Barrie 2 copies - Golder Associates Ltd., Mississauga, Ontario

Submitted to: City of Barrie P.O. Box 400 70 Collier Street, 4th Floor Barrie, Ontario L4M 4T5

AIR QUALITY SAMPLING REPORT THE CITY OF BARRIE LANDFILL

Table of Contents

1.0 INTRODUCTION ............................................................................................................................................................... 1

2.0 SAMPLING APPROACH .................................................................................................................................................. 2

2.1 Sampling Locations ............................................................................................................................................. 3

2.1.1 Ambient Sampling Locations – Winds from the North West ........................................................................... 4

2.1.2 Ambient Sampling Locations – Winds from the South ................................................................................... 5

2.1.3 Enclosed Sampling Locations ........................................................................................................................ 6

2.1.4 Additional On-Site Sampling Locations .......................................................................................................... 6

3.0 FIELD OBSERVATIONS .................................................................................................................................................. 7

4.0 RESULTS ......................................................................................................................................................................... 9

4.1 Enclosed Samples ............................................................................................................................................... 9

4.2 Ambient Sampling under Winds from the North East ......................................................................................... 10

4.3 Ambient Sampling Under Winds from the South................................................................................................ 11

4.4 Additional On-Site Samples ............................................................................................................................... 13

4.5 Applicable Air Quality Crieria ............................................................................................................................. 14

4.6 Summary ........................................................................................................................................................... 15

5.0 LIMITATIONS ................................................................................................................................................................. 16

TABLES Table 1: List of Analyzed Compounds ........................................................................................................................................ 2

Table 2: Summary of Ambient Sampling Locations (winds from the North West). ..................................................................... 4

Table 3: Summary of Ambient Sampling Locations (winds from the South). .............................................................................. 5

Table 4: Summary of Enclosed Sampling Locations. ................................................................................................................. 6

Table 5: Summary of On-Site Building Sampling Locations ....................................................................................................... 6

Table 6: Odour Detection Scale ................................................................................................................................................. 7

Table 7: Off-Site Odour Observations during 2013 Passive Sampling. ...................................................................................... 7

Table 8: Off-Site Odour Observations During 2014 Passive Sampling. ..................................................................................... 8

Table 9: Number of VOC above Detection Limit for Enclosed Samples. .................................................................................... 9

Table 10: Number of VOC above detection limit for ambient samples under winds from the North East. ................................ 10

Table 11: Summary of VOC Present in Ambient Samples above Detection Limit in 2013 and 2014. ...................................... 11

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Table 12: Number of VOC above Detection Limit for Ambient Samples under Winds from the South. .................................... 12

Table 13: Summary of VOC Present in Ambient Samples above Detection Limit in 2013 and 2014. ...................................... 12

Table 14: Number of VOC above Detection Limit for Additional On-Site Samples. .................................................................. 13

Table 15: Summary of VOC Present in additional On-Site Samples ........................................................................................ 13

Table 16: Applicable Ontario Ambient Air Quality Criteria or Standards .................................................................................. 14

FIGURES

Figure 1 – VOC Monitoring Locations for 2013 Sampling Event

Figure 2 – VOC Monitoring Locations for 2014 Sampling Event

APPENDICES APPENDIX A Typical Summa Canister Set-up

APPENDIX B Example Photograph of Sampling Location

APPENDIX C Meteorological Conditions

APPENDIX D Field Notes

APPENDIX E Analysis Results

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1.0 INTRODUCTION The City of Barrie (The City) owns and operates the City of Barrie Landfill Site (The Site). The landfill site is located at the west end of the City, near the intersection of Edgehill Drive and Ferndale Drive. The overall site area is 121.3 ha of which approximately 17 ha is designated as the waste fill area. In March 2009, The City began undertaking a program of waste Reclamation and Re-Engineering activities at the Site, which is anticipated to be completed in 2015. Landfill reclamation refers to the process whereby the existing waste fill is excavated, screened to remove the soil component and then re-landfilled using a greater level of compaction and less soil cover than what was originally used.

Local residents have historically expressed concerns with the potential health impacts from landfill gas discharge and the occasional use of odour control suppression products during the reclamation process. In response to these concerns, air quality sampling has been carried out at the Site since 2010. This report outlines the procedures undertaken and summarizes the results of the 2013 and 2014 sampling at the Site and compares these to the values from the 2010 sampling program.

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2.0 SAMPLING APPROACH Sampling was undertaken at the Site using (i) the US EPA approved method of summa canister sampling; and (ii) the NIOSH method 6016 with solid sorbent tubes. Both grab samples and ambient samples were collected. Grab samples were collected over a short time period from concentrated source areas such as landfill gas observation wells; ambient samples of the air in the vicinity of the summa canisters were collected over a longer (eight hour) period.

Summa canister samples were analyzed for a wide range of compounds including Volatile Organic Compounds (VOC), matrix gases and sulphur compounds. A full range of VOC were selected to cover typical constituents of landfill gas with sulphur compounds selected as they are typically associated with odour. The full list of VOC assessed is presented in Table 1, below:

Table 1: List of Analyzed Compounds 1- Propyl mercaptan 1,4-Dioxane Heptane

Carbon Disulfide 2,2,4-Trimethylpentane Hexachlorobutadiene Carbonyl Sulphide 2-Propanol Hexane Dimethyl disulfide 2-Propanone Methyl Butyl Ketone (2-Hexanone) Dimethyl sulfide 4-ethyltoluene Methyl Ethyl Ketone (2-Butanone) Ethyl mercaptan Benzene Methyl Isobutyl Ketone Hydrogen Sulphide Benzyl chloride Methyl t-butyl ether (MTBE)

Methyl ethyl sulfide Bromodichloromethane Methylene Chloride (Dichloromethane)

Methyl mercaptan Bromoform o-Xylene Sulphur dioxide Bromomethane p+m-Xylene 1,1,1-Trichloroethane Carbon Disulfide Propene 1,1,2,2-Tetrachloroethane Carbon Tetrachloride Styrene 1,1,2-Trichloroethane Chlorobenzene Tetrachloroethylene 1,1-Dichloroethane Chloroethane Tetrahydrofuran 1,1-Dichloroethylene Chloroform Toluene 1,2,4-Trichlorobenzene Chloromethane trans-1,2-Dichloroethylene 1,2,4-Trimethylbenzene cis-1,2-Dichloroethylene trans-1,3-Dichloropropene 1,2-Dichlorobenzene cis-1,3-Dichloropropene Trichloroethylene

1,2-Dichloroethane Cyclohexane Trichlorofluoromethane (FREON 11)

1,2-Dichloropropane Dibromochloromethane Trichlorotrifluoroethane

1,2-Dichlorotetrafluoroethane Dichlorodifluoromethane (FREON 12) Vinyl Acetate

1,3,5-Trimethylbenzene Ethanol Vinyl Bromide 1,3-Butadiene Ethyl Acetate Vinyl Chloride 1,3-Dichlorobenzene Ethylbenzene Xylene (Total) 1,4-Dichlorobenzene Ethylene Dibromide

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Summa canisters are cylindrical containers that have been evacuated to create a vacuum. By opening a valve, the negative pressure in the canister acts to draw air in and the canister fills automatically. The contents of the canister are later analyzed by a laboratory. Summa canisters can be used to sample for set periods of time using a flow controller and can be used to collect grab samples or to sample slowly and continuously over a period of several or more hours. Both types of sampling were conducted at the Site during 2013 and 2014.

In 2013, the following sampling was conducted:

passive samples were collected over an eight hour sampling period at eleven sampling locations on November 5, 2013 and November 19, 2013; and

grab samples were collected at four point source sampling locations on November 14, 2013.

In 2014, the following sampling was conducted:

passive samples were collected over an eight hour sampling period at eleven sampling locations on October 24, 2014 and November 19, 2014;

grab samples were collected at four point source sampling locations on November 7, 2014; and

an additional two point source samples were taken on November 19, 2014 and December 2, 2014 during periods of high odour at on-site locations that are accessible to the public.

Ammonia sampling was conducted using solid sorbent tubes and sampling pumps to sample air at a known flow rate. In 2013, passive samples were collected over a four (4) hour sampling period at the first five (1 through 5) ambient sampling locations on November 14, 15, and 19, 2013.

A photograph of the equipment set up in one of the ambient sampling locations is included in Appendix A.

2.1 Sampling Locations A total of fifteen sampling locations were identified. The approximate location of each sampling point is identified on Figure 1 (2013) and Figure 2 (2014). Minor modifications were made to the sampling locations between 2013 and 2014 to adjust to the current locations of waste reclamation/ filling activities at that time. Two sets of ambient sampling locations were identified. The first set of ambient sampling locations (AS-1 through 5) were selected based on the prevailing wind from the northwest, which is reported to result in odours typically near the intersection of Edgehill Drive and Jagges Drive. The second set of ambient sampling locations was selected based on winds blowing from the south, which is reported to result in odours at Benson Drive as well as at the Environmental Operations building located in the north part of the Site. The individual locations were then selected downwind of the potential main sources of odour (i.e., the landfill and associated environmental control systems) for the relevant wind directions. The point source (referred to as enclosed) sampling locations were selected to collect raw samples of landfill gases from different areas of the landfill. The results were used to characterize the gases generated by different processes and in different areas of the landfill. A brief description of each sampling location and reasons for selection are discussed in the following sections. A photograph demonstrating the ambient sampling location set-up is included in Appendix B as an example.

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2.1.1 Ambient Sampling Locations – Winds from the North West Table 2 summarizes the description of the ambient sampling locations under conditions of winds from the North West.

Table 2: Summary of Ambient Sampling Locations (winds from the North West). Sampling Location Description – 2013 Sampling Year Description – 2014 Sampling Year

AS-1

This sampling point is located at the north-western side of the licence boundary and lies upwind of Site activities.

This sampling point was selected to assess background conditions.

This sampling point is located at the north-western side of the licence boundary, just outside the boundary, and lies upwind of Site activities.

This sampling point was selected to assess background conditions.

AS-2

This sampling point is located at near the centre of Cell 3C, just downwind of the reclamation activities.

This sampling point was selected to characterize odours from reclamation activities.

This sampling point is located slightly southwest of the centre of Cell 3C, just downwind of the reclamation activities.


AS-3

This sampling point is located at the southwestern side of Cell 2B, just downwind of the active filling area.

This sampling point was selected to characterize odours from waste placement activities.

This sampling point is located at the eastern side of Cell 3B, just downwind of the active filling area.


AS-4

This sampling point is located on the site boundary along a corridor formed by a cut line in the trees south of the west side of the landfill and leading towards Edgehill Road on the west side of the site.

It has been reported that odour has been detected along this corridor, which is in the vicinity of the completed Cell 3A where landfill gas odours have been identified.

This is also the location of the discharge sewer from the leachate collection system and purge wells. Consequently, this sampling location was selected to characterize odours in this area of the Site.

AS-5

This sampling point is located on the southern boundary of the site, at the bottom of a corridor formed by a cut line in the trees south of the landfill, which leads from the Cell 1 /Cell 2 boundary in the direction of Jagges Drive.

This sampling point was selected because it is downwind of the Site (notably the reclamation and filling areas) and lies very close to the Edgehill Road/Jagges Drive intersection, where odours have been reported.

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2.1.2 Ambient Sampling Locations – Winds from the South Table 3 summarizes the description of the ambient sampling locations under conditions of winds from the South.

Table 3: Summary of Ambient Sampling Locations (winds from the South). Sampling Location Description – 2013 Sampling Year Description – 2014 Sampling Year

AS-6

This sampling point is located in the same place as AS-5 but because the winds are blowing from the south, it was selected to assess background conditions for these wind conditions.

AS-7

This sampling point is located at the northwestern end of Cell 3C, downwind of the waste reclamation area.


This sampling point is located at the northwestern end of Cell 3C (slightly more north from the 2013 location), downwind of the waste reclamation area.


AS-8

This sampling point is located at the Office/Administration area, at the south-east corner of the building.

This sampling point was selected because it is downwind of the site and odours have been reported in the building.

This sampling point is located near the Office/Administration area, just east of the building’s corner.

This sampling point was selected because it is downwind of the site and odours have been reported in the building.

AS-9

This sampling point is located on the northern boundary of the site that runs parallel to Benson Drive.

This sampling point was selected because it is downwind of the site and there are residences along Benson Drive at which odours have been reported.

AS-10 This sampling point is located by the

water tower on the northern most corner of the site.

This sampling point is located in the middle of the northern side of the site.

AS-11

This sampling point is located at the southern corner of Cell 2B, close to the active filling area.


This sampling point is located at the northern area of Cell 3A.


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2.1.3 Enclosed Sampling Locations Table 4 summarizes the description of the enclosed sampling locations for both 2013 and 2014 sampling years.

Table 4: Summary of Enclosed Sampling Locations. Sampling Location Description

ES-1 This sampling point is located within the Cell 3B maintenance hole.

Strong odours have been reported at this location.

ES-2 This sampling point is the H-02 landfill gas horizontal chamber located on the southwestern side of Cell 3B.

ES-3 This sampling point is on the Phase 3 reclamation cut (waste) slope.

ES-4 This sampling point is the composting area.

It was selected to help characterize gases from composting activities.

2.1.4 Additional On-Site Sampling Locations Table 5 summarizes the description of the additional on-site sampling locations for the 2014 sampling year. These samples were taken at times when high odour was observed at these locations as they are areas that are publically accessible.

Table 5: Summary of On-Site Building Sampling Locations Sampling Location Description

HS-1 This sampling point is located at the southern corner of the office/Admin building

within the landfill license boundary. It was selected as high odour was observed at this location.

HS-2 This sampling point is located southeast of the western building within the landfill license boundary. It was selected as high odour was observed at this location.

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3.0 FIELD OBSERVATIONS Sampling was undertaken during periods when waste screening (reclamation) activities were underway. All samples in each monitoring round were started and stopped within a half hour of one another over the course of a day to minimize the effect of changing meteorological conditions. During each sampling period, no significant variation or changes in meteorological conditions were observed and there was no precipitation. Meteorological conditions were recorded regularly and are listed in Tables 1 through 9 in Appendix C. Copies of all field notes are provided in Appendix D.

Odours were assessed off-site. City staff undertakes regular odour detection drives in the neighbourhoods surrounding the Site. These drives are completed hourly during regular reclamation operations. Operations at the Site are adjusted in order to minimize the impact of the odours off-Site. It should be noted that during each of the sampling rounds, no odours from composting activities or off-site agricultural activities were observed.

Odours detected on the drives are assessed on a scale of 1 to 10, as follows:

Table 6: Odour Detection Scale 0 No detectable odour

1 - 2 Faint to Mild 3 - 4 Moderate 5 - 6 Strong 7 - 8 Very Strong 9 -10 Extreme

The results of the odour assessments on the days during which the passive air quality samples were collected in 2013 and 2014 are listed in Table 7 and Table 8.

Table 7: Off-Site Odour Observations during 2013 Passive Sampling. Day Time Odour Level Location of Odour

November 5th, 2013

10:20 1 Ferndale Drive near water tower 2 Environmental building

11:40 0 No odour observed off-site

13:30 1 Ferndale Drive near Benson Drive 2 Environmental building

14:30 1 Level 1 on Ferndale Drive between entrance to Landfill and water tower

15:00 1 Environmental building 16:00 0 No odour observed off-site

November 19th, 2013

9:30 0

No odour observed off-site

10:00 0 11:00 0 13:30 0 15:30 0 16:30 0

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Table 8: Off-Site Odour Observations During 2014 Passive Sampling. Day Time Odour Level Location of Odour

October 24th, 2014

7:30 0 No offsite / onsite odours 8:30 1 Flare Tower 9:30 0

No offsite / onsite odours

10:30 0 11:30 0 12:30 0 13:30 0 14:30 0 15:30 0 16:30 0 15:30 0 16:30 0

November 19th, 2014

7:30 0

No offsite / onsite odours

8:30 0 9:30 0 10:30 0 11:30 0 12:30 0 13:30 0 14:30 1 Around the LFG Plant

December 2nd, 2014

7:30 0 No offsite / onsite odours 8:30 2

Environmental Building

9:30 1 10:30 1 11:30 2 12:30 1 13:30 2 14:30 2 15:30 2 16:30 3

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4.0 RESULTS Collected samples were submitted to Maxxam Analytics for analysis of matrix gases (i.e., nitrogen, oxygen), sulphur compounds, VOC and ammonia. The results are presented in Appendix E. All reported analytical values for samples collected at ambient sampling locations in 2013 and 2014 are less than those recorded in the 2010 sampling round.

4.1 Enclosed Samples The 2013 and 2014 sample results for the enclosed samples were similar. There were significant differences in the composition of the samples from gas collected from the four enclosed sampling locations within each year. All samples contained nitrogen and oxygen; carbon monoxide was below detection limit in both 2013 and 2014.

Samples ES-1 and ES-2 were taken on the western edge of Cell 3B, from the stone drainage material and a landfill gas well, respectively. These samples were the only enclosed samples to contain carbon dioxide and methane.

Sample ES-1 collected in 2013 was the only sample which contained hydrogen sulphide above the detection limit at 3.9 ppmv. The analyses from all enclosed samples indicated that the concentrations of the other nine analyzed sulphur compounds were below the detection limits in 2013 and 2014.

Concentrations of VOC in the enclosed samples from 2013 and 2014 varied considerably; whereas some compounds decreased in concentration in 2014, others increased compared to the 2013 results. Table 9 summarizes the number of VOC that were above the detection limit for each enclosed sample. Sample ES-4 contained the least number of VOC above their detection limits.

Sample ES-3, taken in the vicinity of the waste reclamation activities, has a comparatively much higher composition of ethanol compared to the other samples.

The sample collected from the compost pad (ES-4) contained the least number of VOC of any of the samples, and those present were generally at lower concentrations than the other enclosed samples (ES-2 through and ES-4). This correlates to the lack of observed composting odours during the sampling rounds.

Table 9: Number of VOC above Detection Limit for Enclosed Samples. Total number of samples 64

Number of compounds above detection limit ES-1 ES-2 ES-3 ES-4

2013 32 28 27 10 2014 35 23 32 13

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4.2 Ambient Sampling under Winds from the North East Sampling point AS-1 is upwind of the Interpretive Berm and west of the Education Centre, and is anticipated to represent typical background concentrations for wind directions from the north. The results for the upwind sample AS-1 contained low concentrations of 2-propanone, chloromethane, Freon 11 and Freon 12 for both the 2013 and 2014 sampling rounds. The concentrations of all other VOC, ammonia and sulphur compounds were below detection limits.

Concentrations of VOC in the downwind ambient samples in 2013 and 2014 varied considerably; whereas the concentrations of some compounds in 2014 decreased compared to the 2013 results, others increased (see text below). Table 10 summarizes the number of VOC that were above the detection limit for each enclosed sample.

Table 10: Number of VOC above detection limit for ambient samples under winds from the North East. Total number of samples 64

Number of compounds above detection limit AS-1 AS-2 AS-3 AS-4 AS-5

2013 4 13 9 4 4 2014 3 5 6 4 4

Sample AS-2 was collected downwind of Cell 3C and the reclamation area, whereas AS-3 was collected downwind of Cell 3B and active waste placement. These samples generally exhibited greater VOC concentrations compared to the upwind sample (AS-1), including a larger number of VOC at reported concentrations greater than the detection limits, including toluene and xylenes. On the whole, the compositions of samples AS-2 and AS-3 were very similar. In 2013, the main differences are that the active area sample (AS-2) contained 2,2,4-trimethylpentane, heptane, ethanol and benzene, whereas these compounds were below the limits of detection in the reclamation area sample (AS-3). In 2014, the main difference is that the sample area for AS-3 contained ethanol, whereas this compound was below the detection limits in sample area AS-2.

Samples AS-4 and AS-5 were both collected downwind of the landfill, along the Site boundary. The composition of both of these samples was very similar to the composition to the upwind sample (AS-1). There is very little difference in the composition of the two Site boundary samples.

Table 11 summarizes which VOC were present in ambient samples above detection limit in 2013 and 2014.

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Table 11: Summary of VOC Present in Ambient Samples above Detection Limit in 2013 and 2014. AS-1 AS-2 AS-3 AS-4 AS-5

‘13 ‘14 ‘13 ‘14 ‘13 ‘14 ‘13 ‘14 ‘13 ‘14

2-propanone 2.4 2.16 5.32 3.26 1.28 1.65 1.94 1.66 1.27 3.41

chloromethane 0.5 0.35 0.54 0.38 0.49 0.39 0.52 0.39 0.52 0.40

FREON 12 0.59 0.43 0.98 0.50 0.59 0.56 0.58 0.49 0.62 0.51

FREON 11 0.29 3.3 0.24 0.29 0.24 0.32 0.22 0.29 0.23

2,2,4-Trimethylpentane 0.42

benzene 0.18

ethanol 12.7 2.8

ethylbenzene 0.45 0.32

heptane 0.33

toluene 1.98 0.66 0.69 0.49

o-xylene 0.51 0.28

p+m-xylene 1.13 0.73

xylenes (total) 1.64 1.01

4.3 Ambient Sampling Under Winds from the South Sample AS-6 was collected from the southern perimeter of the site and represents typical background concentrations. This sample was very similar to the background sample from the north-west wind monitoring round (AS-5). AS-11 was also used to characterize downwind conditions, as it was taken on top of the ridge, upwind of Site activities in Cell 3C. In 2013, the concentrations at this location were very similar to those from sample AS-6, although concentrations of benzene were below the detection limit. In 2014, sampling results at the two locations indicated similar concentrations of all detected substances

Concentrations of VOC in ambient samples in 2013 and 2014 varied considerably; whereas some compounds decreased in concentration in 2014, others increased compared to the 2013 results. Table 12 presents the number of VOC that were above the detection limit for each enclosed sample.

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Table 12: Number of VOC above Detection Limit for Ambient Samples under Winds from the South. Total number of samples 64

Number of compounds above detection limit

AS-6 AS-7 AS-8 AS-9 AS-10 AS-11

2013 7 13 11 6 6 6 2014 4 12 9 4 4 4

Samples AS-7 and AS-8 were collected downwind of the reclamation and waste placement activities, respectively. Concentrations of VOC in these samples are generally compared to the upwind samples (AS-6 and AS-11) including a larger number of VOC at concentrations greater than the detection limits, as summarized in Table 12 and Appendix E.

Samples AS-9 and AS-10 are located downwind of Site activities, along the northern Site boundary. The compositions of these samples are similar to the background samples; there is very little variation in the sample concentrations above the detection limit.

Table 13 summarizes the VOC that were present in ambient samples above detection limit in 2013 and 2014.

Table 13: Summary of VOC Present in Ambient Samples above Detection Limit in 2013 and 2014. AS-6 AS-7 AS-8 AS-9 AS-10 AS-11

‘13 ‘14 ‘13 ‘14 ‘13 ‘14 ‘13 ‘14 ‘13 ‘14 ‘13 ‘14

2-propanone 2.93 2.87 7.64 7.58 4.42 2.10 2.62 1.32 3.92 0.97 2.44

2 2.48

chloromethane 0.44 0.47 0.56 0.63 0.49 0.45 0.48 0.47 0.49 0.45 0.48 FREON 12 0.49 0.56 0.53 0.56 0.53 0.65 0.52 0.55 0.51 0.54 0.53 0.56 FREON 11 0.26 0.24 0.32 0.26 0.27 0.54 0.28 0.24 0.28 0.21 0.26 0.23 ethanol 3.8 32.4 8.1 9.9 3.3 4.5 3.1 toluene 0.47 1.3 1.32 1.2 0.37 0.41 0.5 0.31 trichlorotrifluoroethane 0.24 0.26 0.54 0.24 0.21 0.23 benzene 0.18 0.2 0.21 ethylbenzene 0.27 0.23 0.51 0.83 1,1,1-Trichloroethane 0.32 heptane 0.37 0.34 hexane 0.36 0.31 o-xylene 0.25 0.25 0.41 0.49 p+m-xylene 0.68 0.73 1.11 1.46 xylene (total) 0.93 0.99 1.52 1.95

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4.4 Additional On-Site Samples Two samples were collected during 2014 at on-site locations that are accessible to the public. These samples were collected during periods when odour was observed at these locations, to characterize the emissions close to this area. For both samples, all analyzed sulphur compounds were found to be below their detection limits. The sample taken from HS-1 yielded slightly greater number of VOC above detection limits, as summarized in Table 14. This included small concentrations of ethanol, toluene 2-propanone and chloromethane. Sample HS-2 also contained ethanol and toluene in addition to small amounts of additional VOC, including ethylbenzene. Table 15 summarizes the VOC that were present in the additional on-Site samples above detection limit.

Table 14: Number of VOC above Detection Limit for Additional On-Site Samples. Total number of samples 64

Number of compounds above detection limit HS-1 HS-2

2014 7 10

Table 15: Summary of VOC Present in additional On-Site Samples

HS-1 HS-2

1,1,1-Trichloroethane 0.59

2-propanone 2.825

4-ethyltoluene 1.88

chloromethane 0.465

cis-1,2-Dichloroethylene 0.49

FREON 12 0.565

ethanol 16.15 7.0

ethylbenzene 0.25

o-xylene 0.21

p+m-xylene 0.37 0.61

toluene 0.56 0.57

Total Xylenes 0.82

FREON11 0.27 0.24

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4.5 Applicable Air Quality Crieria The Ontario Ministry of Environment and Climate Change (MOECC) has developed lists of ambient air quality criteria (AAQC). The AAQC represent desirable air concentrations of various parameters, based on potential impacts or adverse effects on health or the environment. The term “ambient” is used to reflect general air quality independent of location or source of a parameter (contaminant). Table 16 summarizes the AAQC for all parameters that were identified above detection limits. It should be noted that some parameters have AAQC for more than one averaging period. In this case, the closest averaging period to 8-hours (the duration of the ambient sampling) has been selected. Additionally, for some parameters, the MOECC has not set an AAQC, therefore appropriate MOECC guideline limits have been identified instead.

It is noted that direct comparison of the results of a single sampling event at Site boundary sampling locations to these AAQC values is not strictly valid, as the sampling method used in this study is not the same as that used to develop the standards. Nevertheless, comparison of the values serves as a conservative assessment of the results to the available standards. The concentrations of all samples at ambient sampling locations or on-site building locations are below the relevant AAQC presented below with most sampled values being several orders of magnitude lower.

Table 16: Applicable Ontario Ambient Air Quality Criteria or Standards

Contaminant Limit (ppbv) Averaging period Reference Limiting

Effect

2-propanone 5001 24 hours AAQC Health chloromethane 154 24 hours AAQC Health FREON 12 101100 24 hours AAQC Health FREON 11 1067 24 hours AAQC Health ethanol 10083 1 hour AAQC Odour toluene 531 24 hours AAQC Odour benzene 0.7 24 hours AAQC Health ethylbenzene 230 24 hours AAQC Health 1,1,1-Trichloroethane 21074 24 hours AAQC Health heptane 2684 24 hours AAQC Health hexane 709 24 hours AAQC Health xylene (total) 168 24 hours AAQC Health trans-1,2-dichloroethylene 26 24 hours AAQC Health

4-ethyltoluene 101 24 hours JSL1 Health cis-1,2-Dichloroethylene 26 24 hours AAQC Health Trichlorotrifluoroethane 104386 24 hours AAQC Health

Note: 1) Jurisdictional Screening Limit.

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4.6 Summary In general, there were fewer VOC above detection limits in 2014 compared to 2013. All parameters reported to be above detection limits at the ambient sampling locations were below the relevant AAQC for both the 2013 and 2014 sampling programs. Additionally, all reported concentrations were lower than those measured during the 2010 sampling program. It is further noted that no health related effects were identified for the reported concentrations in 2010, and therefore it is concluded there are no anticipated health related effects in 2013 or 2014.

The results indicate that sulphur compounds, which are most commonly associated with odour, were only observed above detection limits in the sample collected on-site from the stone drainage material west of Cell 3B (ES-1) in 2013. Sulphur compounds were not detected above analytical limits in any of the 2014 samples.

The two additional on-site samples taken during periods of high odour (HS-1 and HS-2) typically contained higher VOC concentrations than the Site-boundary samples, which is consistent with the location closer to the potential source (i.e.., the landfill). Nevertheless, the concentrations of these VOC were all below the relevant AAQC. Given that these samples were obtained during a brief period of high odour, it is anticipated that typical ambient concentrations at these locations would be lower (i.e., the sample results are considered conservative).

Overall, the sampling results indicate that the Site boundary samples under both wind directions exhibit few detectable concentrations of the analyzed parameters. Downwind boundary samples exhibit a very similar composition to the upwind samples, indicating that the concentrations of landfill related compounds (e.g., ammonia, sulphur compounds and VOC) are close to background concentrations at the Site Boundaries. It is further noted that the detectable concentrations parameters in the Site boundary samples are lower than the concentrations detected in the 2010 sampling program, for which no health related effects were identified.

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5.0 LIMITATIONS The sample results presenting in this report are representative of conditions at the time of measurement and are subject to local variations resulting from local wind and potential off-site sources. This report provides the results of the sampling program. No assessment has been provided in this report.

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Report Signature Page

GOLDER ASSOCIATES LTD.

Katherine Armstrong, M.Sc. Sean Capstick, B.A.Sc., P.Eng. Air Quality Specialist Principal

KA/FSC/PJD/ng

Golder, Golder Associates and the GA globe design are trademarks of Golder Associates Corporation.

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city of barrie air quality sampling report.docx

April 2015 Report No. 08-1170-0519


FIGURES

April 2015 Report No. 08-1170-0519

COMPOST

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Mississauga, Ontario

DESIGN

VOC MONITORING LOCATIONS2013

FIGURE: 1PROJECT NO. 08-1170-0519 SCALE AS SHOWN

PROJECT

TITLE

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Bayshore Estates

REFERENCE

INDEX MAP

100 0 100 200 30050

METRES1:7,000SCALE

Study AreaLake

Simcoe

!. Ambient Sampling Locations

!. Enclosed Sampling Locations

Property Boundary

Landfill License BoundaryBuilding

KSA 2015-04-06

COMPOST

AREA

Tributary A

Tributary B

EDGEHILL DRIVE

DRIVE

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REV. 0.0

Mississauga, Ontario

DESIGN

VOC MONITORING LOCATIONS2014

FIGURE: 2PROJECT NO. 08-1170-0519 SCALE AS SHOWN

PROJECT

TITLE

GIS

REVIEW

ME 2015-01-15

CHECK

CITY OF BARRIELANDFILL VOC MONITORING

ME 2015-01-15KL

2015-01-15

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Minet's Point

Bayshore Estates

REFERENCE

INDEX MAP

100 0 100 200 30050

METRES1:7,000SCALE

Study AreaLake

Simcoe

!. Ambient Sampling Locations

!. Enclosed Sampling Locations

!. Higher Odour Sampling Locations

Property BoundaryLandfill License Boundary

Building

KSA 2015-04-06


APPENDIX A Typical Summa Canister Set-up

April 2015 Report No. 08-1170-0519

APPENDIX A Typical Summa Canister Set

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APPENDIX B Example Photograph of Sampling Location

April 2015 Report No. 08-1170-0519

APPENDIX B Example Photo of Sampling Location

Example of Sampling Location – Sampling Location AS-1

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April 2015 Project No. 08-1170-0519 1/1



April 2015 Report No. 08-1170-0519


Table 1: Wind conditions on November 5, 2013

Time Temperature (°C)

Relative Humidity (%)

Pressure (kPa)

Wind Speed (km/hr) Wind Direction

8:00 4.2 75 103.13 8 South

9:00 5.4 76 103.14 8 South-South-West

10:00 6.4 77 103.11 8 South-West

11:00 8.2 76 103.05 6 South-South-East

12:00 10.7 69 103.01 11 South

13:00 10.7 70 102.94 6 South-South-West

14:00 10.9 70 102.92 6 South

15:00 11.9 70 102.87 6 South-South-West

16:00 10.5 71 102.87 5 South-East

17:00 9.9 72 102.84 11 South

18:00 9.7 73 102.86 10 South-South-West

Source: Barrie Landfill Weather Station on November 5, 2013.

Table 2: Wind Conditions on November 14, 2013



Pressure (kPa)


8:00 -0.5 75 101.87 16 West-South-West

9:00 0.6 72 101.86 21 West

10:00 2.3 68 101.84 21 West-South-West

11:00 3.6 64 101.80 13 West

12:00 4.4 61 101.72 19 South-West

13:00 5.0 60 101.64 6 West-South-West

14:00 5.9 56 101.58 19 West-South-West

15:00 6.9 55 101.53 11 South-West

16:00 6.5 56 101.53 15 West-South-West

17:00 5.6 60 101.55 10 West-South-West

18:00 5.5 62 101.54 16 West-South-West


April 2015 Project No. 08-1170-0519 1/5





Pressure (kPa)


8:00 2.8 66 98.15 7 West-South-West

9:00 3.4 63 98.14 7 West-South-West

10:00 4.2 61 98.18 7 West-South-West

11:00 5.2 58 98.16 11 South-West

12:00 6.3 57 98.11 11 South-South-West

13:00 8.4 49 98.07 17 South-South-West

14:00 8.3 50 98.05 11 South-South-West

15:00 8.4 53 98.06 11 South

16:00 8.6 48 98.08 9 West-South-West

17:00 7.9 51 98.11 6 South-West

18:00 5.1 67 98.16 2 North-North-East

Source: Environment Canada Hourly Data for Barrie – Oro Airport on November 15, 2013.




Pressure (kPa)


8:00 -1.1 76 102.33 21 North-West

9:00 -1.2 78 102.43 24 North-North-West

10:00 -1.3 78 102.51 27 North-West

11:00 -1.6 78 102.60 16 North-North-West

12:00 -1.6 75 102.65 24 North-North-West

13:00 -1.3 76 102.68 23 North-North-West

14:00 -1.4 80 102.71 23 North-North-West

15:00 -1.6 80 102.78 18 North-North-West

16:00 -1.7 82 102.84 16 North

17:00 -2.4 81 102.92 15 North-North-West

18:00 -3.1 81 103.01 13 North


April 2015 Project No. 08-1170-0519 2/5


Table 5: Wind Conditions on October 24, 2014



Pressure (kPa)


8:00 3.7 97 101.8 4.8 North

9:00 4.8 97 101.9 4.8 West-North-West

10:00 6.3 92 101.8 8 North-West

11:00 6.8 89 101.8 6.4 West-North-West

12:00 8.7 80 101.7 14.5 North-North-West

13:00 10.4 71 101.7 22.5 North-West

14:00 10.8 67 101.6 20.9 North-West

15:00 11.9 62 101.5 16.1 North-West

16:00 12.6 67 101.5 9.7 West-North-West

17:00 12 63 101.5 11.3 North

18:00 10.7 68 101.5 9.7 North-West

Source: Barrie Landfill Weather Station on October 24, 2014.




Pressure (kPa)


8:00 -1.1 96 101.5 12.9 North

9:00 -1.1 94 101.6 19.3 North

10:00 -0.8 90 101.6 27.4 North

11:00 0.1 84 101.6 19.3 North-North-East

12:00 0.1 86 101.6 16.1 North-North-West

13:00 0.4 80 101.6 20.9 North-North-West

14:00 0.3 79 101.6 14.5 North-North-West

15:00 0.6 75 101.6 17.7 North-North-West

16:00 -0.1 81 101.7 16.1 North-North-West

17:00 -0.3 81 101.7 16.1 North-North-West

18:00 -0.8 80 101.7 8 North-North-West


April 2015 Project No. 08-1170-0519 3/5





Pressure (kPa)


8:00 -0.3 83 101.2 8 South-South-East 9:00 -0.1 92 101.1 11.3 South-South-East

10:00 0.4 94 100.9 16.1 South-South-East 11:00 1.3 94 100.8 14.5 South-South-East 12:00 1.8 95 100.7 4.8 South-South-West 13:00 2.2 95 100.6 11.3 South 14:00 2.9 95 100.5 11.3 South 15:00 3.1 95 100.5 11.3 South 16:00 3.3 95 100.5 11.3 South-South-West 17:00 3.1 96 100.5 4.8 South-West 18:00 2.9 95 100.5 8 South-West





Pressure (kPa)


8:00 -10.9 90 101.8 12.9 South-South-West

9:00 -9.3 87 101.8 14.5 West-South-West

10:00 -8.4 87 101.8 12.9 South-West

11:00 -7.4 86 101.8 11.3 South-West

12:00 -6.4 81 101.6 14.5 South-West

13:00 -5.9 79 101.5 14.5 South-West

14:00 -5 77 101.3 8 South-South-East

15:00 -5.4 74 101.2 4.8 South

16:00 -6 80 101.2 20.9 South

17:00 -6.7 90 101.1 12.9 South-South-East

18:00 -6.4 93 101 14.5 South-East


April 2015 Project No. 08-1170-0519 4/5


Table 9: Wind Conditions on December 2, 2014



Pressure (kPa)


8:00 -12 78 103.9 20.9 South-East

9:00 -11.2 80 103.9 17.7 South-East

10:00 -9.4 84 103.8 19.3 South-East

11:00 -8.7 86 103.6 22.5 South-East

12:00 -7.7 87 103.4 17.7 South-East

13:00 -7.2 85 103.2 32.2 South-East

14:00 -6.4 75 103 20.9 South-East

15:00 -6.2 77 102.9 27.4 East-South-East

16:00 -6.4 81 102.7 20.9 South-East

17:00 -6.1 83 102.7 20.9 East-South-East

18:00 -5.5 86 102.5 17.7 South-East

Source: Barrie Landfill Weather Station on December 2, 2014.

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APPENDIX D Field Notes

April 2015 Report No. 08-1170-0519


APPENDIX E Analysis Results

April 2015 Report No. 08-1170-0519

APPENDIX E 2013 Air Quality Sampling Results

Table E1: Ambient Sampling 1 through 5 Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location AS-1 AS-2 AS-3 AS-4 AS-5

Sampling Date 19-Nov-13 19-Nov-13 19-Nov-13 19-Nov-13 19-Nov-13 Sampling Time [min] 480 480 480 480 480 Matrix Gases

Carbon Dioxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Methane % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Nitrogen % v/v 77.2 77.2 77.2 77.2 77.2 Oxygen % v/v 22.8 22.8 22.8 22.8 22.7 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.30 <0.40 <0.40 <0.30 Carbon Disulfide ppmv <0.20 <0.20 <0.20 <0.20 <0.20 Carbonyl Sulphide ppmv <0.40 <0.40 <0.50 <0.40 <0.40 Dimethyl disulfide ppmv <0.30 <0.30 <0.30 <0.30 <0.30 Dimethyl sulfide ppmv <0.40 <0.30 <0.40 <0.40 <0.30 Ethyl mercaptan ppmv <0.40 <0.30 <0.40 <0.40 <0.30 Hydrogen Sulphide ppmv <0.80 <0.70 <0.80 <0.80 <0.70 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 Methyl mercaptan ppmv <0.30 <0.30 <0.40 <0.40 <0.30 Sulphur dioxide ppmv <0.70 <0.70 <0.80 <0.80 <0.70 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 1,1,2,2-Tetrachloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 1,1,2-Trichloroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 1,1-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 1,1-Dichloroethylene ppbv <0.25 <0.25 <0.25 <0.25 <0.25 1,2,4-Trichlorobenzene ppbv <2.0 <2.0 <2.0 <2.0 <2.0 1,2,4-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 1,2-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20

April 2015 Project No. 08-1170-0519 1/11


Monitoring Location AS-1 AS-2 AS-3 AS-4 AS-5 1,2-Dichloropropane ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichlorotetrafluoroethane ppbv <0.17 <0.17 <0.17 <0.17 <0.17 1,3,5-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Butadiene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dioxane ppbv <2.0 <2.0 <2.0 <2.0 <2.0 2,2,4-Trimethylpentane ppbv <0.20 0.42 <0.20 <0.20 <0.20 2-Propanol ppbv <3.0 <3.0 <3.0 <3.0 <3.0 2-Propanone ppbv 2.4 5.32 1.28 1.94 1.27 4-ethyltoluene ppbv <2.2 <2.2 <2.2 <2.2 <2.2 Benzene ppbv <0.18 0.18 <0.18 <0.18 <0.18 Benzyl chloride ppbv <1.0 <1.0 <1.0 <1.0 <1.0 Bromodichloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Bromoform ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Bromomethane ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Carbon Disulfide ppbv <0.50 <0.50 <0.50 <0.50 <0.50 Carbon Tetrachloride ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Chlorobenzene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Chloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Chloroform ppbv <0.15 <0.15 <0.15 <0.15 <0.15 Chloromethane ppbv 0.5 0.54 0.49 0.52 0.52 cis-1,2-Dichloroethylene ppbv <0.19 <0.19 <0.19 <0.19 <0.19 cis-1,3-Dichloropropene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Cyclohexane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Dibromochloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 0.59 0.98 0.59 0.58 0.62 Ethanol ppbv <2.3 12.7 <2.3 <2.3 <2.3 Ethyl Acetate ppbv <2.2 <2.2 <2.2 <2.2 <2.2 Ethylbenzene ppbv <0.20 0.45 0.32 <0.20 <0.20 Ethylene Dibromide ppbv <0.17 <0.17 <0.17 <0.17 <0.17 Heptane ppbv <0.30 0.33 <0.30 <0.30 <0.30

April 2015 Project No. 08-1170-0519 2/11


Monitoring Location AS-1 AS-2 AS-3 AS-4 AS-5 Hexachlorobutadiene ppbv <3.0 <3.0 <3.0 <3.0 <3.0 Hexane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Methyl Butyl Ketone (2-Hexanone) ppbv <2.0 <2.0 <2.0 <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv <3.0 <3.0 <3.0 <3.0 <3.0 Methyl Isobutyl Ketone ppbv <3.2 <3.2 <3.2 <3.2 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv <0.80 <0.80 <0.80 <0.80 <0.80 o-Xylene ppbv <0.20 0.51 0.28 <0.20 <0.20 p+m-Xylene ppbv <0.37 1.13 0.73 <0.37 <0.37 Propene ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Styrene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Tetrachloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Tetrahydrofuran ppbv <0.40 <0.40 <0.40 <0.40 <0.40 Toluene ppbv <0.20 1.98 0.69 <0.20 <0.20 trans-1,2-Dichloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.17 <0.17 <0.17 <0.17 <0.17 Trichloroethylene ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Trichlorofluoromethane (FREON 11) ppbv 0.29 3.3 0.29 0.32 0.29 Trichlorotrifluoroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 Vinyl Acetate ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Vinyl Bromide ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Vinyl Chloride ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Xylene (Total) ppbv <0.60 1.64 1.01 <0.60 <0.60

April 2015 Project No. 08-1170-0519 3/11


Table E2: Ambient Sampling 6 through 11 Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location AS-6 AS-7 AS-8 AS-9 AS-10 AS-11

Sampling Date 05-Nov-13 05-Nov-13 05-Nov-13 05-Nov-13 05-Nov-13 05-Nov-13 Sampling Time [min] 480 480 480 480 480 480 Matrix Gases Carbon Dioxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 Methane % v/v <0.2 <0.2 <0.2 <0.2 <0.2 <0.2 Nitrogen % v/v 77.1 77.2 77.1 77.1 77.1 77.1 Oxygen % v/v 22.9 22.8 22.9 22.9 22.9 22.9 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Carbon Disulfide ppmv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Carbonyl Sulphide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Dimethyl disulfide ppmv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Dimethyl sulfide ppmv <0.30 <0.30 <0.40 <0.40 <0.40 <0.40 Ethyl mercaptan ppmv <0.30 <0.30 <0.30 <0.40 <0.40 <0.40 Hydrogen Sulphide ppmv <0.60 <0.60 <0.60 <0.60 <0.60 <0.60 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Methyl mercaptan ppmv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Sulphur dioxide ppmv <0.70 <0.70 <0.70 <0.70 <0.70 <0.70 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.30 0.32 <0.30 <0.30 <0.30 <0.33 1,1,2,2-Tetrachloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 1,1,2-Trichloroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.17 1,1-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 1,1-Dichloroethylene ppbv <0.25 <0.25 <0.25 <0.25 <0.25 <0.28 1,2,4-Trichlorobenzene ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.2 1,2,4-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.55 1,2-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.44 1,2-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22

April 2015 Project No. 08-1170-0519 4/11


Monitoring Location AS-6 AS-7 AS-8 AS-9 AS-10 AS-11 1,2-Dichloropropane ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.44 1,2-Dichlorotetrafluoroethane ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.19 1,3,5-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.55 1,3-Butadiene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.55 1,3-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.44 1,4-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.44 1,4-Dioxane ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.2 2,2,4-Trimethylpentane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 2-Propanol ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.3 2-Propanone ppbv 2.93 7.64 4.42 2.62 3.92 2.42 4-ethyltoluene ppbv <2.2 <2.2 <2.2 <2.2 <2.2 <2.4 Benzene ppbv 0.18 0.2 0.21 <0.18 <0.18 <0.20 Benzyl chloride ppbv <1.0 <1.0 <1.0 <1.0 <1.0 <1.1 Bromodichloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Bromoform ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Bromomethane ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.20 Carbon Disulfide ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.55 Carbon Tetrachloride ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.33 Chlorobenzene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Chloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.33 Chloroform ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.17 Chloromethane ppbv 0.44 <0.51 0.63 0.45 0.47 0.45 cis-1,2-Dichloroethylene ppbv <0.19 <0.19 <0.19 <0.19 <0.19 <0.21 cis-1,3-Dichloropropene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.20 Cyclohexane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Dibromochloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Dichlorodifluoromethane (FREON 12) ppbv 0.49 0.53 0.53 0.52 0.51 0.53 Ethanol ppbv 3.8 32.4 9.9 3.3 4.5 3.1 Ethyl Acetate ppbv <2.2 <2.2 <2.2 <2.2 <2.2 <2.4 Ethylbenzene ppbv <0.20 0.27 0.51 <0.20 <0.20 <0.22 Ethylene Dibromide ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.19 Heptane ppbv <0.30 0.37 <0.30 <0.30 <0.30 <0.33

April 2015 Project No. 08-1170-0519 5/11


Monitoring Location AS-6 AS-7 AS-8 AS-9 AS-10 AS-11 Hexachlorobutadiene ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.3 Hexane ppbv <0.30 0.36 <0.35 <0.30 <0.30 <0.33 Methyl Butyl Ketone (2-Hexanone) ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.2 Methyl Ethyl Ketone (2-Butanone) ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.3 Methyl Isobutyl Ketone ppbv <3.2 <3.2 <3.2 <3.2 <3.2 <3.5 Methyl t-butyl ether (MTBE) ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Methylene Chloride (Dichloromethane) ppbv <0.80 <0.80 <0.80 <0.80 <0.80 <0.88 o-Xylene ppbv <0.20 0.25 0.41 <0.20 <0.20 <0.22 p+m-Xylene ppbv <0.37 0.68 1.11 <0.37 <0.37 <0.41 Propene ppbv <1.6 <4.8 <1.7 <1.5 <1.8 <1.7 Styrene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Tetrachloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Tetrahydrofuran ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.44 Toluene ppbv 0.47 1.3 1.2 0.41 0.5 0.39 trans-1,2-Dichloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 trans-1,3-Dichloropropene ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.19 Trichloroethylene ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.33 Trichlorofluoromethane (FREON 11) ppbv 0.26 0.32 0.27 0.28 0.28 0.26 Trichlorotrifluoroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.17 Vinyl Acetate ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Vinyl Bromide ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.22 Vinyl Chloride ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.20 Xylene (Total) ppbv <0.60 0.93 1.52 <0.60 <0.60 <0.66

April 2015 Project No. 08-1170-0519 6/11


Table E3: Ambient Sampling Monitoring Results – Ammonia

Monitoring Location AS-1 AS-2 AS-3 AS-4 AS-5

Sampling Date 19-Nov-13 19-Nov-13 19-Nov-13 19-Nov-13 19-Nov-13 Sampling Time [min] 240 240 240 240 240 Pumping Rate [L/min] 0.2420 0.2549 0.2580 0.2558 0.2560 Ammonia Ammonia µg/sample <0.5 2.82 3.04 0.5 0.6 Ammonia µg/m3 <LDL* <LDL* <LDL* <LDL* <LDL*

*<LDL denotes that the concentration was below the lower detection limit.

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Table E4: Enclosed Sampling Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location ES-1 ES-2 ES-3 ES-4

Sampling Date 14-Nov-13 14-Nov-13 14-Nov-13 14-Nov-13 Sampling Time [min] 7 2 2 2 Matrix Gases Carbon Dioxide % v/v 9 11.1 <0.3 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.3 <0.2 Methane % v/v 8.8 5.2 <0.3 <0.2 Nitrogen % v/v 66.7 71.2 77.2 77.1 Oxygen % v/v 15.5 12.6 22.8 22.9 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.40 <0.60 <0.40 Carbon Disulfide ppmv <0.20 <0.20 <0.30 <0.20 Carbonyl Sulphide ppmv <0.40 <0.40 <0.70 <0.50 Dimethyl disulfide ppmv <0.30 <0.30 <0.40 <0.30 Dimethyl sulfide ppmv <0.40 <0.30 <0.50 <0.40 Ethyl mercaptan ppmv <0.30 <0.30 <0.50 <0.40 Hydrogen Sulphide ppmv 3.9 <0.60 <0.90 <0.70 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.60 <0.40 Methyl mercaptan ppmv <0.30 <0.30 <0.50 <0.40 Sulphur dioxide ppmv <0.70 <0.70 <1.0 <0.80 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.75 <1.4 <0.30 <0.30 1,1,2,2-Tetrachloroethane ppbv <0.50 <0.90 <0.20 <0.20 1,1,2-Trichloroethane ppbv <0.38 <0.68 <0.15 <0.15 1,1-Dichloroethane ppbv <11 <19 <0.20 <0.20 1,1-Dichloroethylene ppbv <0.63 <2.1 <0.25 <0.25 1,2,4-Trichlorobenzene ppbv <5.0 <9.0 <2.0 <2.0 1,2,4-Trimethylbenzene ppbv 47.4 8.1 4.47 <0.50 1,2-Dichlorobenzene ppbv <1.0 <1.8 <0.40 <0.40 1,2-Dichloroethane ppbv 8.83 4 <0.20 <0.20

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Monitoring Location ES-1 ES-2 ES-3 ES-4 1,2-Dichloropropane ppbv 8.5 16.6 <0.40 <0.40 1,2-Dichlorotetrafluoroethane ppbv 10.2 7.15 <0.17 <0.17 1,3,5-Trimethylbenzene ppbv 24 17.5 1.69 <0.50 1,3-Butadiene ppbv <1.3 <2.3 <0.50 <0.50 1,3-Dichlorobenzene ppbv <1.0 <1.8 <0.40 <0.40 1,4-Dichlorobenzene ppbv 62.5 91.4 1.81 <0.40 1,4-Dioxane ppbv <5.0 <9.0 <2.0 <2.0 2,2,4-Trimethylpentane ppbv 103 123 0.81 <0.20 2-Propanol ppbv <7.5 <14 163 <3.0 2-Propanone ppbv 16.3 <3.6 152 14.9 4-ethyltoluene ppbv <5.5 <9.9 <2.2 <2.2 Benzene ppbv 65.5 3.87 2.68 0.19 Benzyl chloride ppbv <2.5 <4.5 <1.0 <1.0 Bromodichloromethane ppbv <0.50 1.34 <0.20 <0.20 Bromoform ppbv <0.50 <0.90 <0.20 <0.20 Bromomethane ppbv <0.45 <0.81 <0.18 <0.18 Carbon Disulfide ppbv 2.3 <2.3 1.64 <0.50 Carbon Tetrachloride ppbv <0.75 <1.4 <0.30 <0.30 Chlorobenzene ppbv 7.83 <0.90 0.56 <0.20 Chloroethane ppbv 12.6 3.5 <0.30 <0.30 Chloroform ppbv 56.9 177 <0.15 <0.15 Chloromethane ppbv <0.75 <1.4 0.57 0.79 cis-1,2-Dichloroethylene ppbv 12.1 3.64 <0.19 <0.19 cis-1,3-Dichloropropene ppbv <0.45 <0.81 <0.18 <0.18 Cyclohexane ppbv 182 196 1.01 <0.20 Dibromochloromethane ppbv <0.50 <0.90 <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 54.9 39.2 0.59 0.51 Ethanol ppbv <5.8 <10 1410 5.5 Ethyl Acetate ppbv <5.5 <9.9 3.7 <2.2 Ethylbenzene ppbv 187 10.1 12.6 <0.20 Ethylene Dibromide ppbv <0.43 <0.77 <0.17 <0.17 Heptane ppbv 119 4.1 <1.1 <0.30

April 2015 Project No. 08-1170-0519 9/11


Monitoring Location ES-1 ES-2 ES-3 ES-4 Hexachlorobutadiene ppbv <7.5 <14 <3.0 <3.0 Hexane ppbv 122 20.3 <12 0.48 Methyl Butyl Ketone (2-Hexanone) ppbv <5.0 <9.0 <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv 87.5 <14 138 3.6 Methyl Isobutyl Ketone ppbv <8.0 <14 14.5 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.50 <0.90 <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv 7.3 4.6 0.99 <0.80 o-Xylene ppbv 56.6 18.6 5.42 <0.20 p+m-Xylene ppbv 107 60.5 14.9 <0.37 Propene ppbv 1210 1530 10.4 3.39 Styrene ppbv 3.63 <0.90 1.62 <0.20 Tetrachloroethylene ppbv 10 64.2 0.26 <0.20 Tetrahydrofuran ppbv 84.3 7.9 5.43 <0.40 Toluene ppbv 34.5 6.42 48 0.23 trans-1,2-Dichloroethylene ppbv <0.50 <0.90 <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.43 <0.77 <0.17 <0.17 Trichloroethylene ppbv 13.2 34.1 <0.30 <0.30 Trichlorofluoromethane (FREON 11) ppbv 4.93 2.21 0.29 0.27 Trichlorotrifluoroethane ppbv <0.38 <0.68 <0.15 <0.15 Vinyl Acetate ppbv <0.50 <0.90 <0.20 <0.20 Vinyl Bromide ppbv <0.50 <0.90 <0.20 <0.20 Vinyl Chloride ppbv 69 16.5 <0.18 <0.18 Xylene (Total) ppbv 163 79.2 20.3 <0.60

April 2015 Project No. 08-1170-0519 10/11


Table E5: Enclosed Sampling Monitoring Results – Ammonia

Monitoring Location ES-1 ES-2 ES-3 ES-4

Sampling Date 15-Nov-13 14-Nov-13 14-Nov-13 14-Nov-13 Sampling Time [min] 240 240 240 240 Pumping Rate [L/min] 0.2741 0.2741 0.2741 0.2741 Ammonia Ammonia µg/sample 260 0.9 1110 201 Ammonia µg/m3 4270 20 18200 3300 *<LDL denotes that the concentration was below the lower detection limit

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April 2015 Project No. 08-1170-0519 11/11


Table E1: Ambient Sampling 1 through 5 Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location AS-1 AS-2 AS-3 AS-4 AS-5

Sampling Date 24-Oct-14 24-Oct-14 24-Oct-14 24-Oct-14 24-Oct-14 Sampling Time [min] 480 480 480 480 480 Matrix Gases

Carbon Dioxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Methane % v/v <0.2 <0.2 <0.2 <0.2 <0.2 Nitrogen % v/v 77.3 77.4 77.4 77.4 77.4 Oxygen % v/v 22.7 22.6 22.6 22.6 22.6 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.40 <0.20 <0.30 <0.30 Carbon Disulfide ppmv <0.20 <0.20 <0.20 <0.20 <0.20 Carbonyl Sulphide ppmv <0.50 <0.40 <0.40 <0.40 <0.40 Dimethyl disulfide ppmv <0.40 <0.30 <0.30 <0.30 <0.30 Dimethyl sulfide ppmv <0.40 <0.40 <0.20 <0.30 <0.30 Ethyl mercaptan ppmv <0.40 <0.30 <0.20 <0.30 <0.30 Hydrogen Sulphide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 Methyl mercaptan ppmv <0.40 <0.30 <0.30 <0.30 <0.30 Sulphur dioxide ppmv <1.2 <1.0 <0.90 <0.90 <0.90 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 1,1,2,2-Tetrachloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 1,1,2-Trichloroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 1,1-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 1,1-Dichloroethylene ppbv <0.25 <0.25 <0.25 <0.25 <0.25 1,2,4-Trichlorobenzene ppbv <2.0 <2.0 <2.0 <2.0 <2.0 1,2,4-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50

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1,2-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 1,2-Dichloropropane ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichlorotetrafluoroethane ppbv <0.17 <0.17 <0.17 <0.17 <0.17 1,3,5-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Butadiene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dioxane ppbv <2.0 <2.0 <2.0 <2.0 <2.0 2,2,4-Trimethylpentane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 2-Propanol ppbv <3.0 <3.0 <3.0 <3.0 <3.0 2-Propanone ppbv 2.16 3.26 1.65 1.66 3.41 4-ethyltoluene ppbv <2.2 <2.2 <2.2 <2.2 <2.2 Benzene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Benzyl chloride ppbv <1.0 <1.0 <1.0 <1.0 <1.0 Bromodichloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Bromoform ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Bromomethane ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Carbon Disulfide ppbv <0.50 <0.50 <0.50 <0.50 <0.50 Carbon Tetrachloride ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Chlorobenzene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Chloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Chloroform ppbv <0.15 <0.15 <0.15 <0.15 <0.15 Chloromethane ppbv 0.35 0.38 0.39 0.39 0.40 cis-1,2-Dichloroethylene ppbv <0.19 <0.19 <0.19 <0.19 <0.19 cis-1,3-Dichloropropene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Cyclohexane ppbv <0.20 <0.20 <0.20 <0.20 <0.20

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Dibromochloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 0.43 0.50 0.56 0.49 0.51 Ethanol ppbv <2.3 <2.3 2.8 <2.3 <2.3 Ethyl Acetate ppbv <2.2 <2.2 <2.2 <2.2 <2.2 Ethylbenzene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Ethylene Dibromide ppbv <0.17 <0.17 <0.17 <0.17 <0.17 Heptane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Hexachlorobutadiene ppbv <3.0 <3.0 <3.0 <3.0 <3.0 Hexane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Methyl Butyl Ketone (2-Hexanone) ppbv <2.0 <2.0 <2.0 <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv <3.0 <3.0 <3.0 <3.0 <3.0 Methyl Isobutyl Ketone ppbv <3.2 <3.2 <3.2 <3.2 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv <0.80 <0.80 <0.80 <0.80 <0.80 o-Xylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 p+m-Xylene ppbv <0.37 <0.37 <0.37 <0.37 <0.37 Propene ppbv <1.5 <3.0 <3.5 <1.5 <1.5 Styrene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Tetrachloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Tetrahydrofuran ppbv <0.40 <0.40 <0.40 <0.40 <0.40 Toluene ppbv <0.20 0.66 0.49 <0.20 <0.20 trans-1,2-Dichloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.17 <0.17 <0.17 <0.17 <0.17 Trichloroethylene ppbv <0.30 <0.30 <0.30 <0.30 <0.30 Trichlorofluoromethane (FREON 11) ppbv <0.20 0.24 0.24 0.22 0.23 Trichlorotrifluoroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 Vinyl Acetate ppbv <0.20 <0.20 <0.20 <0.20 <0.20

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Vinyl Bromide ppbv <0.20 <0.20 <0.20 <0.20 <0.20 Vinyl Chloride ppbv <0.18 <0.18 <0.18 <0.18 <0.18 Xylene (Total) ppbv <0.60 <0.60 <0.60 <0.60 <0.60

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Table E2: Ambient Sampling 6 through 11 Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location AS-6 AS-7 AS-8 AS-9 AS-10 AS-11

Sampling Date 19-Nov-14 19-Nov-14 19-Nov-14 19-Nov-14 19-Nov-14 19-Nov-14 Sampling Time [min] 480 480 480 480 480 480 Matrix Gases Carbon Dioxide % v/v <0.2 <0.2 <0.2 <0.1 <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.2 <0.1 <0.2 <0.2 Methane % v/v <0.2 <0.2 <0.2 <0.1 <0.2 <0.2 Nitrogen % v/v 77.1 77.2 77.1 77.2 77.1 77.1 Oxygen % v/v 22.9 22.8 22.9 22.8 22.9 22.9 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.40 <0.40 <0.30 <0.20 <0.40 Carbon Disulfide ppmv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Carbonyl Sulphide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Dimethyl disulfide ppmv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Dimethyl sulfide ppmv <0.40 <0.30 <0.40 <0.30 <0.40 <0.40 Ethyl mercaptan ppmv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Hydrogen Sulphide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Methyl mercaptan ppmv <0.30 <0.30 <0.30 <0.20 <0.30 <0.30 Sulphur dioxide ppmv <1.0 <0.90 <1.0 <0.90 <1.0 <1.0 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 1,1,2,2-Tetrachloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 1,1,2-Trichloroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 1,1-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 1,1-Dichloroethylene ppbv <0.25 <0.25 <0.25 <0.25 <0.25 <0.25 1,2,4-Trichlorobenzene ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 1,2,4-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.50

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Monitoring Location AS-6 AS-7 AS-8 AS-9 AS-10 AS-11

1,2-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichloroethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 1,2-Dichloropropane ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 1,2-Dichlorotetrafluoroethane ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 1,3,5-Trimethylbenzene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Butadiene ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 1,3-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dichlorobenzene ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 1,4-Dioxane ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 2,2,4-Trimethylpentane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 2-Propanol ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 2-Propanone ppbv 2.87 7.58 2.10 1.32 0.97 2.48 4-ethyltoluene ppbv <2.2 <2.2 <2.2 <2.2 <2.2 <2.2 Benzene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 Benzyl chloride ppbv <1.0 <1.0 <1.0 <1.0 <1.0 <1.0 Bromodichloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Bromoform ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Bromomethane ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 Carbon Disulfide ppbv <0.50 <0.50 <0.50 <0.50 <0.50 <0.50 Carbon Tetrachloride ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Chlorobenzene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Chloroethane ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Chloroform ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 Chloromethane ppbv 0.47 0.56 0.49 0.48 0.49 0.48 cis-1,2-Dichloroethylene ppbv <0.19 <0.19 <0.19 <0.19 <0.19 <0.19 cis-1,3-Dichloropropene ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 Cyclohexane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20

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Dibromochloromethane ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 0.56 0.56 0.65 0.55 0.54 0.56 Ethanol ppbv <2.3 8.1 <2.3 <2.3 <2.3 <2.3 Ethyl Acetate ppbv <2.2 <2.2 <2.2 <2.2 <2.2 <2.2 Ethylbenzene ppbv <0.20 0.23 0.83 <0.20 <0.20 <0.20 Ethylene Dibromide ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 Heptane ppbv <0.30 0.34 <0.30 <0.30 <0.30 <0.30 Hexachlorobutadiene ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 Hexane ppbv <0.30 0.31 <0.30 <0.30 <0.30 <0.30 Methyl Butyl Ketone (2-Hexanone) ppbv <2.0 <2.0 <2.0 <2.0 <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv <3.0 <3.0 <3.0 <3.0 <3.0 <3.0 Methyl Isobutyl Ketone ppbv <3.2 <3.2 <3.2 <3.2 <3.2 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv <0.80 <0.80 <0.80 <0.80 <0.80 <0.80 o-Xylene ppbv <0.20 0.25 0.49 <0.20 <0.20 <0.20 p+m-Xylene ppbv <0.37 0.73 1.46 <0.37 <0.37 <0.37 Propene ppbv <1.8 <3.5 <1.8 <1.6 <1.6 <1.8 Styrene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Tetrachloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Tetrahydrofuran ppbv <0.40 <0.40 <0.40 <0.40 <0.40 <0.40 Toluene ppbv <0.20 1.32 0.37 <0.20 <0.20 <0.20 trans-1,2-Dichloroethylene ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.17 <0.17 <0.17 <0.17 <0.17 <0.17 Trichloroethylene ppbv <0.30 <0.30 <0.30 <0.30 <0.30 <0.30 Trichlorofluoromethane (FREON 11) ppbv 0.24 0.26 0.54 0.24 0.21 0.23 Trichlorotrifluoroethane ppbv <0.15 <0.15 <0.15 <0.15 <0.15 <0.15 Vinyl Acetate ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20

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Vinyl Bromide ppbv <0.20 <0.20 <0.20 <0.20 <0.20 <0.20 Vinyl Chloride ppbv <0.18 <0.18 <0.18 <0.18 <0.18 <0.18 Xylene (Total) ppbv <0.60 0.99 1.95 <0.60 <0.60 <0.60

April 2015 Project No. 08-1170-0519 8/15


Table E3: Enclosed Sampling Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location ES-1 ES-2 ES-3 ES-4

Sampling Date 7-Nov-14 7-Nov-14 7-Nov-14 7-Nov-14 Sampling Time [min] 2 2 2 2 Matrix Gases Carbon Dioxide % v/v 9.0 9.0 <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 <0.2 <0.2 Methane % v/v 7.8 0.8 <0.2 <0.2 Nitrogen % v/v 68.1 76.7 77.3 77.3 Oxygen % v/v 15.1 13.5 22.7 22.7 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <0.40 <0.50 <0.40 Carbon Disulfide ppmv <0.20 <0.20 <0.20 <0.20 Carbonyl Sulphide ppmv <0.40 <0.40 <0.50 <0.50 Dimethyl disulfide ppmv <0.40 <0.40 <0.40 <0.40 Dimethyl sulfide ppmv <0.40 <0.40 <0.50 <0.40 Ethyl mercaptan ppmv <0.40 <0.40 <0.40 <0.40 Hydrogen Sulphide ppmv <0.40 <0.40 <0.40 <0.40 Methyl ethyl sulfide ppmv <0.40 <0.40 <0.40 <0.40 Methyl mercaptan ppmv <0.40 <0.30 <0.40 <0.40 Sulphur dioxide ppmv <1.0 <1.0 <1.3 <1.1 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv 2.56 <0.60 0.51 <0.30 1,1,2,2-Tetrachloroethane ppbv <0.40 <0.40 <0.20 <0.20 1,1,2-Trichloroethane ppbv <0.30 <0.30 <0.15 <0.15 1,1-Dichloroethane ppbv 13.1 5.49 6.23 <0.20 1,1-Dichloroethylene ppbv 0.85 <0.50 <0.25 <0.25 1,2,4-Trichlorobenzene ppbv <4.0 <4.0 <2.0 <2.0 1,2,4-Trimethylbenzene ppbv 32.1 5.5 22.0 <0.50

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1,2-Dichlorobenzene ppbv <0.80 <0.80 <0.40 <0.40 1,2-Dichloroethane ppbv 5.67 <0.40 <0.20 <0.20 1,2-Dichloropropane ppbv 8.71 7.18 <0.40 <0.40 1,2-Dichlorotetrafluoroethane ppbv 4.89 3.98 <0.17 <0.17 1,3,5-Trimethylbenzene ppbv 16.4 5.7 6.30 <0.50 1,3-Butadiene ppbv <1.0 <1.0 <0.50 <0.50 1,3-Dichlorobenzene ppbv <0.80 <0.80 <0.40 <0.40 1,4-Dichlorobenzene ppbv 60.4 57.2 5.85 <0.40 1,4-Dioxane ppbv <4.0 <4.0 <2.0 <2.0 2,2,4-Trimethylpentane ppbv 77.8 53.5 3.18 0.49 2-Propanol ppbv <6.0 <6.0 204 16.9 2-Propanone ppbv 9.9 4.3 81.5 97.5 4-ethyltoluene ppbv <4.4 <4.4 4.5 <2.2 Benzene ppbv 71.3 4.78 1.32 0.49 Benzyl chloride ppbv <2.0 <2.0 <1.0 <1.0 Bromodichloromethane ppbv 1.03 0.52 <0.20 <0.20 Bromoform ppbv <0.40 <0.40 <0.20 <0.20 Bromomethane ppbv <0.36 <0.36 <0.18 <0.18 Carbon Disulfide ppbv 1.0 <1.0 1.06 <0.50 Carbon Tetrachloride ppbv <0.60 <0.60 <0.30 <0.30 Chlorobenzene ppbv 8.83 <0.40 0.91 <0.20 Chloroethane ppbv 9.05 <0.60 <0.30 <0.30 Chloroform ppbv 99.5 39.5 <0.15 <0.15 Chloromethane ppbv <0.60 <0.60 0.44 0.40 cis-1,2-Dichloroethylene ppbv 13.3 <0.38 0.44 <0.19 cis-1,3-Dichloropropene ppbv <0.36 <0.36 <0.18 <0.18 Cyclohexane ppbv 141 81.3 6.21 <0.20

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Dibromochloromethane ppbv <0.40 <0.40 <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 22.8 14.9 37.8 0.46 Ethanol ppbv <4.6 <4.6 1050 4.3 Ethyl Acetate ppbv <4.4 <4.4 9.7 <2.2 Ethylbenzene ppbv 146 11.2 49.0 <0.20 Ethylene Dibromide ppbv <0.34 <0.34 <0.17 <0.17 Heptane ppbv 126 3.11 4.17 0.84 Hexachlorobutadiene ppbv <6.0 <6.0 <3.0 <3.0 Hexane ppbv 125 28.1 1.67 1.22 Methyl Butyl Ketone (2-Hexanone) ppbv <4.0 <4.0 <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv <6.0 <6.0 64.2 17.6 Methyl Isobutyl Ketone ppbv <6.4 <6.4 <3.2 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.40 <0.40 <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv 6.4 <1.6 <0.80 <0.80 o-Xylene ppbv 47.8 15.2 30.1 <0.20 p+m-Xylene ppbv 110 47.5 88.7 <0.37 Propene ppbv <770 <110 22.7 3.31 Styrene ppbv 3.57 <0.40 12.4 <0.20 Tetrachloroethylene ppbv 9.97 33.9 2.29 <0.20 Tetrahydrofuran ppbv 55.0 <0.80 8.94 <0.40 Toluene ppbv 36.4 5.14 101 0.44 trans-1,2-Dichloroethylene ppbv 2.45 <0.40 <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.34 <0.34 <0.17 <0.17 Trichloroethylene ppbv 14.5 8.26 1.47 <0.30 Trichlorofluoromethane (FREON 11) ppbv 2.54 1 13.1 0.2 Trichlorotrifluoroethane ppbv <0.30 <0.30 <0.15 <0.15 Vinyl Acetate ppbv <0.40 <0.40 <0.20 <0.20

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Vinyl Bromide ppbv <0.40 <0.40 <0.20 <0.20 Vinyl Chloride ppbv 56 <0.36 <0.18 <0.18 Xylene (Total) ppbv 158 62.7 119 <0.60

Table E4: Highest Odour Sampling Monitoring Results – Matrix Gases, Sulphur Compounds and VOC Monitoring Location HS-1 HS-2

Sampling Date 19-Nov-14 2-Dec-14 Sampling Time [min] 85 85 Matrix Gases Carbon Dioxide % v/v <0.2 <0.2 Carbon Monoxide % v/v <0.2 <0.2 Methane % v/v <0.2 <0.2 Nitrogen % v/v 76.9 77.2 Oxygen % v/v 23.1 22.8 Sulphur Compounds 1- Propyl mercaptan ppmv <0.40 <1.5 Carbon Disulfide ppmv <0.20 <0.50 Carbonyl Sulphide ppmv <0.40 <1.1 Dimethyl disulfide ppmv <0.30 <1.5 Dimethyl sulfide ppmv <0.40 <1.0 Ethyl mercaptan ppmv <0.30 <1.0 Hydrogen Sulphide ppmv <0.40 <1.2 Methyl ethyl sulfide ppmv <0.40 <1.4 Methyl mercaptan ppmv <0.30 <0.80 Sulphur dioxide ppmv <1.0 <3.2 Volatile Organic Compounds 1,1,1-Trichloroethane ppbv <0.30 0.59

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Monitoring Location HS-1 HS-2

1,1,2,2-Tetrachloroethane ppbv <0.20 <0.30 1,1,2-Trichloroethane ppbv <0.15 <0.20 1,1-Dichloroethane ppbv <0.20 <0.15 1,1-Dichloroethylene ppbv <0.25 <0.20 1,2,4-Trichlorobenzene ppbv <2.0 <0.25 1,2,4-Trimethylbenzene ppbv <0.50 <2.0 1,2-Dichlorobenzene ppbv <0.40 <0.50 1,2-Dichloroethane ppbv <0.20 <0.40 1,2-Dichloropropane ppbv <0.40 <0.20 1,2-Dichlorotetrafluoroethane ppbv <0.17 <0.40 1,3,5-Trimethylbenzene ppbv <0.50 <0.17 1,3-Butadiene ppbv <0.50 <0.50 1,3-Dichlorobenzene ppbv <0.40 <0.50 1,4-Dichlorobenzene ppbv <0.40 <0.40 1,4-Dioxane ppbv <2.0 <0.40 2,2,4-Trimethylpentane ppbv <0.20 <2.0 2-Propanol ppbv <3.0 <0.20 2-Propanone ppbv 2.825 <3.0 4-ethyltoluene ppbv <2.2 1.88 Benzene ppbv <0.18 <2.2 Benzyl chloride ppbv <1.0 <0.18 Bromodichloromethane ppbv <0.20 <1.0 Bromoform ppbv <0.20 <0.20 Bromomethane ppbv <0.18 <0.20 Carbon Disulfide ppbv <0.50 <0.18 Carbon Tetrachloride ppbv <0.30 <0.50 Chlorobenzene ppbv <0.20 <0.30

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Chloroethane ppbv <0.30 <0.20 Chloroform ppbv <0.15 <0.30 Chloromethane ppbv 0.465 <0.15 cis-1,2-Dichloroethylene ppbv <0.19 0.49 cis-1,3-Dichloropropene ppbv <0.18 <0.19 Cyclohexane ppbv <0.20 <0.18 Dibromochloromethane ppbv <0.20 <0.20 Dichlorodifluoromethane (FREON 12) ppbv 0.565 <0.20 Ethanol ppbv 16.15 7.0 Ethyl Acetate ppbv <2.2 <2.2 Ethylbenzene ppbv <0.20 0.25 Ethylene Dibromide ppbv <0.17 <0.17 Heptane ppbv <0.30 <0.30 Hexachlorobutadiene ppbv <3.0 <3.0 Hexane ppbv <0.30 <0.30 Methyl Butyl Ketone (2-Hexanone) ppbv <2.0 <2.0 Methyl Ethyl Ketone (2-Butanone) ppbv <3.0 <3.0 Methyl Isobutyl Ketone ppbv <3.2 <3.2 Methyl t-butyl ether (MTBE) ppbv <0.20 <0.20 Methylene Chloride (Dichloromethane) ppbv <0.80 <0.80 o-Xylene ppbv <0.20 0.21 p+m-Xylene ppbv 0.37 0.61 Propene ppbv <1.9 <1.8 Styrene ppbv <0.20 <0.20 Tetrachloroethylene ppbv <0.20 <0.20 Tetrahydrofuran ppbv <0.40 <0.40 Toluene ppbv 0.56 0.57

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trans-1,2-Dichloroethylene ppbv <0.20 <0.20 trans-1,3-Dichloropropene ppbv <0.17 <0.17 Trichloroethylene ppbv <0.30 <0.30 Trichlorofluoromethane (FREON 11) ppbv 0.27 0.24 Trichlorotrifluoroethane ppbv <0.15 <0.15 Vinyl Acetate ppbv <0.20 <0.20 Vinyl Bromide ppbv <0.20 <0.20 Vinyl Chloride ppbv <0.18 <0.18 Xylene (Total) ppbv <0.60 0.82

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April 2015 Project No. 08-1170-0519 15/15

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